[DEVEXPRESS/WINFORM] TreeList 클래스 : NodesIterator 속성을 사용해 미체크 노드 리스트 구하는 작업 실행하기
DevExpress/WinForm 2020. 5. 26. 21:49■ TreeList 클래스 : NodesIterator 속성을 사용해 미체크 노드 리스트 구하는 작업 실행하기
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▶ GetUncheckedNodeTreeListOperation.cs
using System.Collections.Generic; using System.Windows.Forms;
using DevExpress.XtraTreeList.Nodes; using DevExpress.XtraTreeList.Nodes.Operations;
namespace TestProject { /// <summary> /// 미체크 노드 구하기 트리 리스트 작업 /// </summary> public class GetUncheckedNodeTreeListOperation : TreeListOperation { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public
#region Field
/// <summary> /// 타겟 노드 리스트 /// </summary> public List<TreeListNode> TargetNodeList = new List<TreeListNode>();
#endregion
//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public
#region 생성자 - GetUncheckedNodeTreeListOperation()
/// <summary> /// 생성자 /// </summary> public GetUncheckedNodeTreeListOperation() : base() { }
#endregion
//////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public
#region 실행하기 - Execute(node)
/// <summary> /// 실행하기 /// </summary> /// <param name="node">노드</param> public override void Execute(TreeListNode node) { if(node.CheckState == CheckState.Unchecked) { TargetNodeList.Add(node); } }
#endregion } }
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▶ MainForm.cs
using System; using System.Windows.Forms;
using DevExpress.XtraEditors; using DevExpress.XtraTreeList;
namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : XtraForm { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public
#region 생성자 - MainForm()
/// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent();
Load += Form_Load; this.executeButton.Click += executeButton_Click; }
#endregion
//////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private
#region 폼 로드시 처리하기 - Form_Load(sender, e)
/// <summary> /// 폼 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Form_Load(object sender, EventArgs e) { this.treeList.RowHeight = 25; this.treeList.OptionsView.AutoWidth = false; this.treeList.OptionsView.CheckBoxStyle = DefaultNodeCheckBoxStyle.Check; this.treeList.OptionsBehavior.ReadOnly = true; this.treeList.OptionsBehavior.PopulateServiceColumns = true; this.treeList.KeyFieldName = "ID"; this.treeList.ParentFieldName = "RegionID";
this.treeList.DataSource = SalesData.GetSalesDataList();
this.treeList.Columns[this.treeList.KeyFieldName ].Visible = false; this.treeList.Columns[this.treeList.ParentFieldName].Visible = false;
this.treeList.BestFitColumns();
this.treeList.ExpandAll(); }
#endregion #region 실행 버튼 클릭시 처리하기 - executeButton_Click(sender, e)
/// <summary> /// 실행 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void executeButton_Click(object sender, EventArgs e) { GetUncheckedNodeTreeListOperation operation = new GetUncheckedNodeTreeListOperation();
this.treeList.NodesIterator.DoOperation(operation);
int count = operation.TargetNodeList.Count;
XtraMessageBox.Show(this, count.ToString(), "INFORMATION", MessageBoxButtons.OK, MessageBoxIcon.Information); }
#endregion } }
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